@ UA
Yes, there is an extraordinary level of protectionism in the Australian financial industry, which I only fully realised when researching the feasibility of a "fintech" start up business.
For practical purposes with respect to credit, as a consumer I simply now favour my Amex cards as a work around.
@ Lucky
I have experience transferring points both ways between SQ and VA.
Generally, yes, you would transfer from VA to SQ because:
1. You can access SQ reward inventory not bookable through partner FF schemes (i.e. VA)
2. You open up your VA points to the reward opportunities of all Star Alliance airlines, which is significant given the limited airline partners in the VA FF scheme
I have transferred from SQ to VA in some more niche situations, for example, needing some VA top up points for a reward on HX (Hong Kong Airlines) which was flying from Cairns to Hong Kong at the time: the 53,000 point one way business redemption with top up being better value than having to fly south to BNE or SYD or MEL or SYD to get to HKG (with the CX alternative being unavailable on QF / AA/ or AS points).
The impact / significance of such a change in ratio probably would be mostly relevant to Australian based members since they have the basic choice to make, each with its own upside and downside, namely:
1. Favour QF as airline of choice (some domestic business lounges, redeem for OneWorld and Emirates, regular double status promotions, but pay fuel surcharges, etc)
2. Favour VA as airline of choice (easy to earn points and status credits, feature of family pooling of points and credits, lounge access via Amex cards, regular double points promotions, but limited burn unless you travel domestically or transfer to SQ)
3. Play a mixed strategy (build up to lifetime gold on QF and easily maintain gold on VA and then the preferred route / fare / aircraft, etc., on the day)
The conversion to SQ is a significant point of differentiation or VA. Eroding that value is potentially eroding one of the most significant features of the VA Velocity scheme.
Points on VA are earned on revenue spend with up to 10 pts / AUD on DOMESTIC flights (for Platinum member): earn about 6,000 points on VA for a business class one way and only 3,200 on QF. Earn 17,500 points for a (AUD2000) one business class CNS-PER on VA as a Gold member, but only 4,950 on QF. The points differential recurs with cost of fare and lower status level to be smiler for a traveller on a discount economy with no status. The schemes are broadly similar for international travel earn.
So...VA wins hands down for domestic frequent flyers with any status.
VA currently has a double points (on base points) promotion so a Platinum flyer would be earning 15 pts / AUD (AUD5 based plus AUD5 bonus plus AUD5 for status), which blows the maths out of the water in favour of VA.
(BUT QF is currently running double status, which will be very attractive to QF devotees).
So the earn rates on VA mean that small change in the conversion rate to SQ may not be in itself a major loss - the problem comes in the erosive effects of multiple small steps of devaluation.
It is not that long ago that SQ devalued its own scheme so the conversion rate was effectively only recently devalued by default. Similarly, (per @ UA's comment) I can no longer turbo charge my SQ points directly through Visa Prestige which used to earn a 5 pt / dollar on foreign currency transactions and offer 1:2 con version to SQ (not 1:.5). So effectively four devaluations in a couple of years.
SQ is also significant in having good award space for its own members and does not apply fuel surcharges to its rewards.
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Even after the conversion, the redemption rates trump QF (I just redeemed two first class LHR-SIN-MEL in Suites for 148k pts each, which would have been well over 200k pts on QF with an estimated AUD1000 plus in full surcharges).
So in conclusion, not a deal breaking change in conversion, but an erosion of arguably one of the most significant features of VA Velocity and something that could trash their scheme if the deviations continue...