Counter-Strike existed for over a decade before this business model was even feasible. Mostly by doing... what you're suggesting... immediately. Like, as part of the software you bought. When people like the game enough, they'll host their own communities and keep playing.

Only the top of the top games have the numbers to keep people buying a new version of basically the same game over and over again without fragmenting their player base to the point where the series dies.

Good.

Not every game deserves to become an undying zombie, buoyed by shark testicle cards or whateverthefuck. Especially not if what those slouching relics deliver for their billions upon billions of dollars are tiny changes to exactly one map, or an endless parade of stupid hats, or deleting the entire game and replacing it with Game 2: Pay Harder.

This business model is an abuse. There is no tolerable form of it. Nothing inside a video game should cost real money. The obscene examples, the $400 special pants, the $50,000 purple drops, are the exact same con as any $1 pack of "gems." Only the number is different. And nobody has to "like" it. Your preference is not asked. This infection has hit every genre, platform, and price point. It is in $70 single-player games. It has been added to games people already bought. The skeeze factor does not matter, because of how much money this abuse makes. Calling it "extra money" is bewildering. This is the only reason most of these games exist. The games were developed to funnel people toward these systems. This is the hook - you play the bait.