There’s no disputing that it’s harm but if the harm caused is less than the harm that is possible then the actions are worth taking.
Technique to build familiarity. Obviously doesn’t work on everyone but for those it does it’s quite effective
Literally anyone that’s trying to sell you something whether it’s a product, service or ideology is likely to use it if it may increase their chance of success.
Lot of words just to say that once the advertisers move in on a centralized platform its value is shot. A huge part of the reason I abandoned the last platform I was using and sought a federated alternative.