Safari would have been released as free software if KHTML was GPL.
Yes, we know that a certain subset of Free Software zealots prefer preventing non-Free software to promoting Free software.
> What happened wasn't, though.
Why exactly is the creation of a set of F/OSS browser engine cores which have essentially completely extinguished the proprietary cores to dominate the space not “fine”?
Apple forked one in a hostile fashion, and later used it to release proprietary software.
A substantial volume of web browsers, including the largest two (Chrome, Safari), are proprietary software, directly because of this.
It made the WWW less free, and hurt users.
I guess you are the 0.0001% of the internet who consider Chrome and Safari to be proprietary software, when it has an Open Source version freely available.