It is irrelevant what the change is.
WP Engine has the legal right to make whatever change they like in their fork.
Including redirecting affiliate revenue.
I think everybody is aware of how the GPL works with respect to forking and altering software, but people seem to be confused about how the GPL works with respect to registered trademarks and online services operated by the copyright holder.
I think everybody is aware of how the GPL works with respect to forking and altering software, but people seem to be confused about how the GPL works with respect to registered trademarks and online services operated by the copyright holder.