Honestly, you should have left it up there and told the first few to go <strike>fuck themselves</strike> find something better to do than criticize someone who gave them a FOSS program.
Yeah, things that are free need to make money somehow, hence ads and ref links. It's asinine to think that a person should just give up their own cash to provide a free service. It's the epitome of using someone as a means to an end; and you're the one getting used.