https://www.cnet.com/news/lg-says-it-might-fix-the-lg-g7s-samsung-like-mistake/

Using this hardware button will save time for some, and maybe even become second nature. However, it still traps you into opening the app that LG wants to to use, instead of opening the app you want to use.

And if you don't want to use it?  Well then, it becomes unnecessary hardware bloat.