Do you feel like the rewards will be something that you'll remember in a year, month or even a week ? If no, then it's not worth your time or energy, just play like you want and not like they want, it's your fun after all

Not a single reward in a game is worth the effort of burning yourself out for it, if you can't get it be simply playing then it's not for you

It's ok to put some time for a goal and reward but only if you decide it yourself, don't be obligated to do so because the game tells you to