GPL vs BSD: Why Are People Fighting?

“For the second time in six months, a flamefest has broken out
between those who release software under the BSD (Berkely Software
Distribution) licence and others who release software under the
General Public Licence.

“The first time, in April this year, a developer for a Linux
wireless driver accused an OpenBSD developer of filching code and
using it in a wireless driver for OpenBSD…”