[inetknght]

> tools go out of their way to whine piteously if they can't find Ubuntu in /etc/issue et al

If those tools are open source, fix them. If they're not open source, don't use them. Problem solved.

It's not hard to write an installation script.

[justinclift]

AFAIK most professional CAD tools, or the GUIs anyway, are Windows only.

Some of the previously *nix friendly ones (ie Siemens NX) have even moved to only being available for Windows.

[SanjayMehta]

These are proprietary tools, the install scripts are editable shell scripts but we don't want to mess with them any more.

[mixmastamyk]

Never happened to me. But editing files to make them happy, or putting them in a chroot or container is quite easy these days.