Historically they've generally politely ignored community rebuilders and got a trifle enervated by commercial rebuilders - they changed how they handled distributing kernel code (to a fully patched tree rather than a pristine tree and a stack of patches I -think- from memory) in response to Oracle doing a commercial rebuild.
Exactly what the triggering incident was this time they've been very careful not to officially say (which is likely a better option than the optics of getting into a finger pointing war with a smaller target), and I suspect we won't be able to fully judge their motivations unless/until the details leak and/or are inferred by people close enough to the situation to guess correctly.
Exactly what the triggering incident was this time they've been very careful not to officially say (which is likely a better option than the optics of getting into a finger pointing war with a smaller target), and I suspect we won't be able to fully judge their motivations unless/until the details leak and/or are inferred by people close enough to the situation to guess correctly.