A few words about captcha ...

Traveling across the expanses of the Internet, I came across an interesting copy on the site of a rather large resource :



This is shown during registration.

All right, I think. I will write to tech support a letter “you guys have a bug.” But ... it was not there :) To send a letter , of course you need to enter a captcha :(
')
Of course, by clicking "Reload image" a couple of masterpieces are shown:



Attention questions:
1) Here's how (no, not even register) to report an error?
2) To the developers: What is the glitch for? How to fight? ( Is there a similar bug on your sites? )
3) To the developers: Maybe you need to provide for the option of contact WITHOUT captcha?