The above is not an encouragement to ignore the consumer element of carbon emissions: collectively, we are ultimately responsible for corporate emissions.
Also, much to be said for enacting small-scale changes as a way to cope with #climateAnxiety
But from a true impact perspective, your time is infinitely better spent doing whatever you can to help enact SYSTEMIC change (ie regulations), than whatever token personal gesture you've been guilted into focussing on.