Probably because it is difficult to make money with meeting software when a company with a Microsoft365 subscription has Teams included and would have to pay for the same service from another vendor.

Thanks for the hint. I‘m still very new here.

According to their FAQ they use the search index of Brave. The company is based in San Francisco.

https://good-search.org/about/en/

Does not answer your question but I just checked and you cannot customize the font in Mlem

Mlem for iOS let‘s you filter for keywords