No, even people who grew up watching Jonny Test hated Jonny Test while they were growing up.
The thing that really made people (especially kids) hate Jonny Test wasn't because the show itself was particularly bad It was because like TTG nowadays IT WAS ALWAYS ON!
It had 4 episode timeslots going: 1 2 3 4 – 2 3 4 5 – 3 4 5 6 etc, so every day you had to sit through 3 episodes you'd already seen to get to maybe a new episode, I say maybe because since each season only had 13 episodes that meant that by week three you'd have already seen every episode in that season IF there weren't any delays, in which case they'd just restart the season, or worse MARATHONS! Those took up extra timeslots and threw the schedule completely out of whack FOR OTHER SHOWS meaning that If you wanted to watch anything else you were shit out of luck!
Thankfully Jonny Test marathons were only like half a day long which is still pretty bad but nowhere near as ridiculous as TTG's monthlong marathons.