You'd be in good company with Microsoft circa 2001 with their (source-available) Shared Source Initiative, because your argument is the same one that people have been making back then and ever since: that banning field-of-use restrictions imposes too much of a burden on commercial entities.

But disallowing such field-of-use restrictions is exactly what makes open source collaboration between otherwise competing companies possible. It is a fundamental difference between Open Source and Source Available licenses.