You know you can do more than pressure them, right? You can get involved with your state party, which in turn elects the leaders of the national party. You can vote in the primaries and kick out corporate Dems. We know this works because it’s precisely how the fascists took over the Republican party.
The death toll up to this point is about 45k. Israel has not settled any land in Gaza or started expelling Palestinians into neighboring countries. There is a lot of room for it to get worse.