There is constructive criticism and then there is this. Once you use phrases like the above and follow it up by pontificating about how you think the author's house looks like, you have crossed a line, by far.
Some people deserve to read “what the fuck is this” about what they did.
This. I'd rather have to defend all my ideas than have the bad ones blindly promoted.
There is an important difference between “your idea is misguided for reasons X and Y” and “what the fuck even is this.” Besides, see the guidelines:
When I could write a single script in awk or Python I do still write cat < file | cut | awk | sed | wc (notice useless use of cat)
I know that the use of cat isn't technically required, but I still build bash oneliners step-by-step and find starting with `cat foo` to be a helpful reminder of the format of the file.