The most effective phone calls take less than a minute: say your name, your city or ZIP code, and what you support/oppose, maybe a sentence on why. You’ll be marked down on a spread sheet that is discussed at the daily office strategy meeting.
Other actions like brief emails, meeting in-person at the district office, meeting in-person at the DC office, can also be effective, but take more time and energy. Emails aren’t always read right away like a phone call must be answered for example. And you generally need to make an appointment for an in-person meeting.
They don’t give a shit about that. They don’t pick up their phones.
They have automated email responses, and if you send them an email you are put on their campaign donation mailing lists.
If you can’t get in their face or them into your back pocket it is not worth it.
Revolution is required at this point.
Have you tried calling their phones? Sure some don’t pick up, but enough do.