[maleldil]

I think you misunderstood your parent's comment.

Blizzard _today_ takes to maintain World of Warcraft's macOS build. The same Blizzard is releasing all new titles as Windows-only.

This difference between WoW and there rest is what puzzles you parent.

[oefrha]

Of course they won’t drop a good chunk of their existing subscribers overnight; once the initial work is done, maintenance shouldn’t take a ton of resources, especially considering it’s still a cash cow. Likewise, they are sort of maintaining SC2 with these tiny balance patches, and it’s still working on macOS, but it’s clearly the last echo of the old company.