You can turn bloom off and enable minimized UI, or even download some UI mod.
None of the Age games are cheaper there. People typically hate it because of its buggy behavior (failing to detect game updates, half-functional crossplay…), locked game files (basically impossible to create mods) and at times delayed or entirely skipped game update releases for the platform, due to its complicated approval process.
Edit: @FoughtBird1976 Just today we see another example of a hotfix being released only for Steam version of the game, while Windows Store version will remain broken for the foreseeable future: Age of Empires III: Definitive Edition — Update 11148