It's nothing to do with gatekeeping at all... Literally anyone can make an account here and post asking for source info. There's literally no way of knowing anyone's intentions. Journalists, pro lifers, police, etc. You might think that's paranoia, but it literally takes one wrong person finding out what IC stands for before a petition comes out demanding it be shut down. It happened with Amazon, it happened with DD, and I'm sure it will have happened with other sources too - The wrong people find out, no more supply.
It really doesn't take long to get your post/engagement count up, and even if it did -
1. Suicide isn't a decision that should be made quickly, taking time to learn about sources and properly make that decision is essential.
2. Literally no one is required to share source info with you - It's there, on the internet, go find it yourself if you're truly that impatient.
I really don't appreciate being attacked and told I'm 'gatekeeping' simply for telling someone their account is too new - That's my boundary, my decision, simple as. I'm not the only person with source info out there, I'm sure they'll be able to find it elsewhere.