Tap tail adaptors,what is the point?

[Best]

Case proven mi lord

Lol! Yes, photo evidence has caught the culprit.
I recall that was a 9 years old bathroom done by an idiot plumber who did a lot worse. (Shower waste was next thing to literally flood the kitchen below).
Those pipes were hidden behind pedestal and leaks corroded pipes badly, remaining unnoticed until ceiling below got damp

 

[rpm]

Leak found at tap connection with copper and olive.

 

[Vicdiy]

Leak found at tap connection with copper and olive. View attachment 34893

It looks like it has been slathered in grease.

 

[rpm]

It looks like it has been slathered in grease.

Don`t know exactly what was going on there, do know it wasn`t my job so just mentioned it to them as I left.

 

[Harvest Fields]

Don`t know exactly what was going on there, do know it wasn`t my job so just mentioned it to them as I left.

The phrase Sloping shoulders comes to mind mate.

 

[rpm]

The phrase Sloping shoulders comes to mind mate.

Dead right there, that was a can of worms I wasn`t there for.