Exactly, I remember that while studying GDPR an example for legitimate interest was a company that self-advertises to you: I get your email from the purchase you just made because I have legitimate interest in continuing my business and I want to be able to advertise myself to you again to survive in the market. But trust me, I’ll just use it for the legitimate interest!
I knew you were italian as soon as I read that lol. Basically my uni life too