Glock's need cleaning?
My father was an old school U.S. Army sergeant. He had the same philosophy as your dad. Putting a dirty gun away was a sure way to get to go on a "wailing expedition". I saw my dad direct soldiers to polish the breech blocks on 105MM howitzer with Brasso, tooth brushes and cleaning cloths. Interestingly, my cleaning schedule mirrors yours. I don't care if it is a Glock or a fine shotgun. The drill is the same.
Clean my old 65-3 after shooting but don't spend a lot time using FMJ. I finally have the cylinder cleaned out enough so .357 casings don't stick
Glock's need cleaning?
IMO cleaning guns is way overrated. I'm not saying it's not necessary once in a while but after every use? Absolutely not. So I don't clean my guns very often. When I do it's usually just a quick bore snake through the barrel and chambers. It doesn't bother me in the least and my guns have never complained.
I clean mine after every time I fire them
I'm mostly concerned about lead exposure. After shooting, the gun is covered in microscopic lead particles. Everything the gun touches will be contaminated with lead. If you put it back in the holster, the holster is contaminated.
Someone asked how S&W 69s are holding up on one of the GlockTalk forums recently. One poster stated that they have to be thoroughly cleaned every 50 to 75 rounds (at most) or the cylinder binds up. I thought my habit of cleaning every time I shoot a gun was a little OCD but it could be worse. At least I do not clean guns part way through a shooting session.Seriously, go hang out on Glocktalk--not unusual for users over there to only clean after 1,000 rounds or more, although there are plenty of "If I look at it I clean it" folks over there too.