Tier X is the best tier so let's ake tier X great again, no repair cost!
WoT is an extremely grindy game, no wonder you get bored, and then when you finally unlock all the tier X, which was the only goal keeping you playing, well first you cant afford to buy them all and second you cant afford to play them competitively.
So you are reduced back to credit grinding and you spend all day playing premium tier viiis against gold spammers in broken metas.
So now instead of having 500 different tanks to choose to play you are limited to how many tier viii premiums you have, so increased boredom, having less variety. Then when most of your premium tanks are Battle Pass capped you are further reduced to a few (very non meta) premiums.
This is how WG choose to make a very grindy game even more boring.
Then you get so bored you go to forums and read this.
Thanks for playing!