I'll give you a response that doesn't include the two responses you don't like hearing.
Bolting the teleporter is a little iffy, but it's fine. If you know the bolt wire, it's super easy to get into. If it's unpowered (which is exessive), you can either cut through or just build your own teleporter (be a scientist, ask to be a scientist, or break into science to build the parts. If you don't want to do that, get an EVA suit, throw yourself out of an airlock, and find the Ruski DJ station and go south for your free teleporter.).
If you're talking about door speed, it's usually only done on the bridge to prevent tailgating.
When people say "max your suit sensors so we can find your mangled body", they're generally joking and don't mean "there's going to be antags here, so max your suit sensors". Remember, this isn't HRP, you will see AIs and other crew members say super goofy shit.
I haven't played on Paradise in a while, but the last time I played security, it was generally understood that you're supposed to do one single patrol of the entirety of maintenance at roundstart, then patrol the hallways. This patrol isn't to find antags, but to clean maintenance of anything that could be used to make a weapon, or that's considered contraband. If there's any reports of hostiles in maintenance, we patrol again. I almost never see officers "camping" maintenance the entire round, namely because they're just asking to get killed. If you're an antag and you see that shit happen, just kill them, they deserve it.