To head off some comments that always come up:
1. Like most corporate PACs, Google gives fairly evenly to politicians in both parties. I don't think donations to Democrats "cancel out" donations to indefensible figures like Scalise, or Nunes, any more than giving money to the NAACP cancels out a donation to the KKK.
2. Google's giving is not indiscriminate, but tactical and highly targeted. In particular, they don't just give to everyone across the board like the sugar lobby.
3. The dollar figures are small because they are capped by statute. At most, Google can give one politician $10,000 in an election cycle. This is absolutely dwarfed in size by Google's D.C. lobbying operation, which can't contribute directly to campaigns but finds many ways to be influential.
4. This money is donated by employees who opt in, but is allocated by the company. Googlers have no input into the targeting and timing of these donations; it's decided by the office of public policy.
5. An American corporation can do fine without a PAC. Apple and IBM don't have one. Microsoft won a giant Pentagon cloud computing contract while its political giving was suspended.
With that said, some further threads:
November 2019: https://twitter.com/Pinboard/status/1197253535735267328
August 2019: https://twitter.com/Pinboard/status/1164031478897901573
June 2019: https://twitter.com/Pinboard/status/1152245502361997314
April 2019: https://twitter.com/Pinboard/status/1119751992597835776