the only problem with this is that the vast majority of liberals don't even doorknock every 2 or 4 years, that's way beyond the pale of normal average voter behavior

I swear that kind of thing is either paid by campaigns that have the money, or relies on a steady stream of fresh faces who haven't been disillusioned yet. I did it a grand total of twice and I think the people that come out and doorknock for democrats year after year, shift after shift, without seeing any issues with liberalism, are off their rocker