How am I supposed to effectively advertise my game

After Roblox removed user ads, I have no clue how to advertise my game in a way that will get peoples’ attention. The Ads Manager just isn’t opening up at all, and sponsoring it will get lost in a flood of pathetic “FREE DOMINUS” or “Easy Obby!!!” games.

What do I do to actually advertise my game??? And why did Roblox think it was a good idea to remove user ads???