He was lucky not to have seen "theses" written in my home country Turkey. 90% of them are copy pastes. I saw many PhD theses quoting wikipedia. Ridiculous.
Management Consultants: A bunch of 20 sth year olds with fancy degrees and zero experience in growing a business helping huge companies grow by whatever means possible. I always found this hugely ironic.
I don't see any reason to do that for an app whose paid and ad-free version is really cheap for the huge value it provides. Remember when you used to buy CDs for every album.
You are partially right. There are ads that are truly useful and those which are malicious, such as popunders which often include scammy pops. I use adblock to prevent the latter. There are popunder ad networks which are trying to fight against adblock by introducing "solutions" like anti-adblock, see here: https://propellerads.com/blog/anti-adblock-3-monetize-99-per...