I've also encountered this attitude: "Small (micro) companies and sole proprietors, stay on Windows!" CAD/CAM/CAE vendors only start talking about Linux/Unix-based solutions when you have a thousand or more engineers on staff.
There are actually some really professional tools for Linux. But you have to ask their developers specifically. One such is UG-NX and NASTRAN. Last time I looked into it, it was supposed to be for almost all operating systems unix/linux/macosx/windows.
Please annoy your tax office with this request. It is in their best interest to have such software. If they refuse, make some improvements at the ballot box in the next election.
Here, the geodesists have been the loudest in shouting that Linux is no good. It doesn't have the software they need. I myself complain about the lack of drivers for studio hardware. Before buying anything, always search Google to see if anyone has gotten the thing they are buying working and how.
In some places, digital rewards were given for work results, which could be used to tune your account or get digital goods for free. These digital rewards could not be exchanged for real money. And status also motivates, they are ranked higher than the average user. The only problem is that moderator status can be abused.