Voting for a third party is the opposite of laziness and apathy. You’re intentionally spending the time and effort to place a vote which you know will not succeed, entirely because you believe in doing the right thing, even when it isn’t popular.
The US needs a revolution, the current system is impossible to change without it. All you can do is harm mitigation.
C’mon mate, this is decades old fossil fuel industry propaganda - making people blame themselves for the mess they got us all into. There’s no benefit from beating ourselves up - as individuals we hold no power over the industry. We need to work together and build an organised movement if we want to change things, we can’t change our behaviour individually to change the system.