It is but your unsubstantiated idea of a healthy game. It is but your rationalisation of CCPs actions, they did not state those were their goals for these changes.
You cant force people into corps. Up to half of the population in general are introverts, even more so in videogames. You can easily force people out of the game though. If you’re ok with losing half of your playerbase you are not the one to even mention health of the game.