In my experience - and I started with revolvers - revolvers are LESS reliable and MORE complicated than a quality safe-action/DAO semi-automatic pistol. Revolvers need to cleaned regularly, or they don't work. Efficient manipulation of the revolver requires MORE practice, not less, than a quality safe-action/DAO semi-automatic pistol. Stoppages in a revolver often take MORE time, not less, than a quality safe-action/DAO semi-automatic pistol. Accurate marksmanship with a small-frame revolver trigger requires MORE practice, not less, than a quality safe-action/DAO semi-automatic pistol. Anyone making the generalization that a revolver offers "simplicity and reliability" (over a Glock) doesn't know what he's talking about. The revolver does have a place; it is well-suited to a backup gun (BUG) role, as 'back-up' to a 'primary' quality safe-action/DAO semi-automatic pistol. Even professional users employ the revolver in the BUG role. The revolver in a primary role, however, is a losing proposition.
I've used revolvers for over 40 years.
I've never experienced stoppages or cylinder dragging with quality ammunition.
And, you need quality ammunition for any handgun to be reliable, including Glocks.
A DA revolver is quick, easy, and simple to shoot, and reload, if not as fast to reload with a quick loader.
But then, you are carrying it for self-defense, not combat missions or firefights.
Shooting double action takes some practice at ranges more than 10 yards, but most civilian self-defense situations will occur at lesser distances.
And certainly, whatever weapon that you choose, you will practice with it.
As for the cleaning comment, nobody is going to carry a revolver for self-defense without regular cleaning and oiling, and it would take hundreds of fired rounds to affect the operation of any good DA revolver in any case.
And nobody is going to leave any self-defense handgun uncleaned for that long.
I wouldn't suggest that Glock is less reliable than a revolver. They have proven themselves.
But I think that revolvers have become the victim of revisionist history with regards to their suitability for civilian self-defense.