Ignoring aesthetics, which glass or steel toy is the best?

Constructive discussions on Glass dildo:

Why glass?
Why do so many people prefer glass toys? I was surprised when I learned glass toys exist, and I still do not have any coherent idea about why are they

New to Glass Toys: Any Advice?
I have always wanted to try a glass dildo, but am a little nervous. I am not sure how safe they are. Have you guys ever had anything chipped or broke?

Stainless steel vs glass
I've never used stainless steel, simply because the stainless steel is out of my price range. It's really any different or better than glass though?

Glass toys...playing TOO hard?
I just got my first glass dildo by Phallix and I adore it...however, I'm a little concerned about hurting myself - I bang myself pretty hard when I'm...

concerned novice to glass play
alright i know there have been multiple discussions on the brake possibilities glass toys have, but all the new inexpensive glass dongs and dildos...