So if PSA matches other WOs with DEC bonus, it will be interesting to see how many pilot will be jumping from one WO to another.
I can only see 2 reasons NOT to do it (if you don't live in base, although if you live in CLT you might as well be a commuter if forced to upgrade):
1. You lose your flow (which is not a big deal IMO unless you are really into AA)
2. You have to spend another 3-4 month in initial
However, besides that, all 3 WOs reserve rules are bad, so the incentive is to get extra $$$ (and free hotels and positive space tix for 3 months in Envoy case).