And if that's your reason to buy a Mac then indeed, it might be time to reconsider your OS and hardware. These are pragmatic decisions, not emotional ones.
For me it has never been about exclusive software but rather the working environment of a Mac.
It is both for me - the leading edge professional software exclusive to a Mac and the working environment, the consistency in the menus across all applications, the integration with the media browser, the look and feel. I have been using Macs at work for presentations since the first Mac came out, but I bought my first private mac to replace my Linux system when Apple released the Developer Tools and it became possible to build graphical user interfaces with magnificent tools.
I don't mind to have to pay for third-party applications, if there is no equivalent tool on the Mac. But the third-party products tend to be "foreign bodies", feeling out of place in the Mac working environment and breaking with every system update. When I am installing such a tool, because there is no alternative on the Mac, it will usually delay the ability to update OS X early, because I have to wait for updates to the third party software. It is a lot of work to keep track of the compatibilities, if many third-party apps are installed. For example, after the Yosemite upgrade, it took a long time, before LaTeX worked again reliable - all upper case greek letters were missing from the equations in my lecture notes, because some fonts moved. After the El Capitan upgrade Melodyne kept crashing, and there was no update - it is still listed as Yosemite compatible. Microsoft Office '2011 is no longer fully compatible. Adobe Acrobat does no longer show all my embedded videos and some embedded PDF images in my presentations.
Because of many years of bad experiences with third party applications when upgrading the system, I try to keep the essential software "Apple-Only" and try to avoid mixed software. It is bad enough for my private Macs, but at work I have the added complication that the laboratories for the students are having different models of Macs, purchased in different years with different system versions.
The only certainty is that one day the last remaining users will have to move on.
That's why I recommended to be prepared for the inevitable.