It's not an insult. What you call criticising, climate shaming someone over one activity while engaging in other more polluting activities, is the exact definit

It's not an insult. What you call criticising, climate shaming someone over one activity while engaging in other more polluting activities, is the exact definition of the word hypocrisy: > Hypocrisy is the practice of engaging in the same behavior or activity for which one criticizes another