The aim of Stax is to basically make MTG as hard to play as possible for your opponents, and then either win, or cause everyone so much discomfort that they concede
In a format with powerful lands, it still seems likely that you can generate tons of extra mana using this card
Sure, it doesn't have the same appeal as wrecking your opponent with non-creature spells
For example, if you control The Ozolith when Reluctant Role Model dies, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature.
Your opponent still has agency over what they block with, so its not too devastating, but it could definitely be good with the right support
Vito, Thorn of the Dusk Rose does the same job, but is also a repeatable lifelink enabler