making all the Shadowloo Dolls playable in all versions of SFV would increase its value and begin to have a lot more people buy and play the game overall.
the Shadowloo Dolls are the perfection of the Street Fighter universe and only having each Shadowloo Doll playable can begin the golden age.
while there are PC mods, that can't compare to Capcom officially making all the Shadowloo Dolls playable
and money is no object to Shadowloo Dolls fans and Street Fighter fans in general. as the saying goes "build it and they will come", making all Shadowloo Dolls would profoundly take Street Fighter to greater heights and epicness.
Street Fighter universe is made whole because of the Shadowloo Dolls, so the playable roster in SFV should include all the Shadowloo Dolls playable, each one as their own playable fighter that can be chosen and played as.
the Street Fighter universe has meaning because of the Shadowloo Dolls.
Eventually Street Fighter VI should let players create and play as their own Shadowloo Doll and expand the Shadowloo Dolls to greater prosperity and power.
if Capcom chooses to add all the Shadowloo Dolls playable in SFV/SFV:AE, and done right, that will greatly benefit in profit, popularity and respect.