I feel fleet credits got the exact same thing the dilithium store does. (I looked at price. I think it was 28k+ for the "fleet mark XII ground weapon).
That 'thing' being... the prices are jacked up so insanely high you pretty much have to do all or nothing actions. You can't go "Well, I need an advanced hanger pet + some more store points." and actively follow both because the prices are insane. (Least for me).
I'm mainly just thinking the prices are just... eh high compared to the rate of getting for somebody who doesn't obsess and grind them constantly <_<.