First, you won’t spend that money, you can spend that on other things instead.
Second, you can spend the money you have saved this way on products of better companies. For games this may be good indie developers and smaller studios (is that a thing?), but generally for software there is usually a wider range of options, and I mean even actual alternatives.
You could argue that me not paying for youtube premium won’t change a thing. That may sound true, but it isn’t necessarily: if you instead support your creators trough Liberapay or Patreon, then not only Google will get less, but the crearor and toss other platform will get more money, so they can improve their services and keep the lights up. Or like choosing to pay for Cryptpad instead of Google Drive will again besides having Google and their investors getting less, Cryptpad devs (who are very resource constrained, just as mostly any users-first software project because of not being known) will get more.