Oh please, that strawman was debunked ages ago, its no different than the *.A.A claiming that piracy cost them more than the GDP of the planet! All one has to do is look at the incredible mountains of cash valve is generating without putting out new AAA titles in years to see PC gaming is a HUGE money maker and that users do not mind DRM if its not intrusive always online horseshit like UbiSuck.
No lets cut through the bullshit, shall we? The REAL reason that you see so many developing for consoles is that console users are easy to fuck and fuck hard, end of story. They can keep the prices jacked for FAR longer on consoles because they do not have to deal with a free market, with consoles they have a captive monopoly so they are the only game in town. With PC you have Steam and GOG and the Humble Bundles and Origin and UbiPlay and Greeman Gaming and Amazon, with PCs the users have a huge market to shop from and endless titles going back 30+ years so they don't have to put up with the "take it and like it" bullshit. Check a new title 3 weeks after release, where is it cheaper? PC. 3 months? PC, 6 months, a year, 2 years? PC, PC, and PC, simply because if you don't compete? You ain't getting that money.
So don't give us the party line bullshit, its because of money alright, its because they can royally fuck console users and they have no choice but to bend over and take it.