let me guess....you're from Kalifornia. We fully expect you to be afraid of guns. You have no choice either, your government wont let you have one on yourself anyhow! - (regardless of what the Constitution says) You guys get what you deserve. Only the gangbangers and criminals can have weapons in Kali.
as far as your heroic acrobatics and pressurization dumps at FL410. good luck with that after your throat is slit or you're shot in the noggin.
I do agree a gun may not do any good in an open cockpit like 135 operations. ..but not that someone is going to take it (you are trained right?) but you wont even see thiers coming...I would not want ot be flying any sizeable aircraft (read target) 135 these days, period.
As far as trusting your life to your employers "screening" process. Jesus that scary! but again, kinda expected from Kalifornians!
If for any reason some terroritst wanted your little learjet all he has to do is call a broker, get a flight, put a pistol in his briefcase, walk through the pretty FBO (uhh...security?), hop in back, have a coke, let you climb to XXXX ALT - and then walk up and shoot you in the head. Its now his. Nevermind your acrobatics and pressurization antics buddy - you never saw it coming.
Now, consider yourself lucky that most learjets wouldnt do much damage and may not be a real target. notice I said MAY. glad Im not in that situation to wonder.
"pin them to the cieling and dump the cabin"
are you freakin' kidding me there Patty Wagstaff?!!
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