--snip--
You seem challenged in understanding sarcasm.
These days, it's harder to tell whether people being sarcastic or actually mean what they said.
I guess that lockdowns and isolation took toll on people's social skills.
You seem challenged in understanding sarcasm.
Understandable, since you forgot to put
<sarcasm> tags.

We shouldn't forget closing tags too, so the joke syntax is correct. It could produce error message if used in incorrect format.
<Sarcasm> Sarcastic joke </Sarcasm>