The best time to plant a tree was 20 years ago, the second best time to plant a tree is now
Your digital footprint is an extension of yourself and how much effort you put into it is up to you. In the same way we encourage people to not eat junk food made by shitty companies, we encourage people to manage their digital presence and support non-shitty companies.
But its hard to eat healthy in the same way its hard to set up accounts and tech that you control, its a concious effort. Do not let perfection be the enemy of progress, anything done to improve your footprint is progress in not feeding digital dragons.