That is true.
That is business. MS were the top in the MP section during the 360, and did whatever they wanted. Sony become leaders during ps4, and did whatever they wanted.
If there is no balance, the other company could do stupid shit. Now look what is happening. MS did gamepass, Sony is following the suite. Ms out their games on PC, Sony is following the suite. MS made money from gaas games, Sony is invest in those business. That is the result of competition.
These charged online service would disappear soon, once spartacus/gamepass are in stable form, and able to cover those online subscription losses.