Cams can be pirated but pirating cams feeds is made impossible by encryption. However, desktop display video can be recorded.
To do it right requires tech knowledge or you can use some of the windoze .exe proggies that are usually exploits to your windoze system.
Piracy is an overrated cost. People that want free don't pay (usually). The other school of thought is that if they could not find it free they would pay. There is little empirical evidence but not any definitive evidence to support the latter assumption. Personally, I think the latter assumption is wishful thinking and unrealistic -- the market got moved. At any rate, eventually wildfires burn out and some trees are left standing -- the forest regrows. Porn has survived a 7,000 year history in one form or another
I don't have any personal experience with dating other than being told it is profitable and seen its growth over the years.