What will happen if Classic gets more popular than Retail?

[Matcauthon-steamwheedle-cartel (Matcauthon)]

@Magdalenio-moon-guard

b) They’ll look for ways of monetization like bringing microtransactions, QoL changes, etc, to Classic in order to increase revenue and the number of people playing?

if classic is more succesful without microtransactions, qol, etc, why the heck would they add them in?