It also makes sure that there won't be native ports of these applications. Adobe won't make a Photoshop port, unless it is 100% obvious to them, that they are

It also makes sure that there won't be native ports of these applications. Adobe won't make a Photoshop port, unless it is 100% obvious to them, that they are leaving more money on the table by not porting it than is the cost of porting and support. Which may suck for you, if your business or job requires Photoshop right now. You aren't going to switch to Linux then, because you will get Photoshop and whatever OS it requires in the state it is today - which decreases the motivation for Adobe from previous paragraph.