Doesn't Google employ 10s of thousands of people? 250 concerned voices doesn't seem newsworthy.
I don't envy Google leadership here, though they may have to partially blame themselves:
"This new internal political divide at Google sheds a spotlight on a long-standing diversity effort: designated employee resource groups (ERG) intended to celebrate employees with marginalized identities. But in today's climate, these groups may be sparking more political controversy than Google ever expected. "
I mean you start organize people around their ethnic/etc. identities, and as a result you may deepen the divides and raise the tensions. Reminds the situation of Indian caste system which was really formalized and strengthened by the British.
Whatever caste system is today there in India, it was before arrival of Europeans as well, but little more flexible compared to the strict categorisation they did.
So 250 signatures out of ~2.5k Jews is order-of-magnitude 10% of the Jews people employed at Google.
So if they were literally all Jewish, which they probably aren't, this still doesn't really tell us what Jews at Google think. Even if we do care what Jewish Googlers think. There is nothing here.