True, that is how ‘fuzz’ started in the first place, with an amp that had a bad tube......................
The mid to late 60s was the golden age of fuzz. Collectors of garage band records from that era love that nasty, snarling fuzz sound.
Examples: The Pandas-Walk (1966)
https://www.youtube.com/watch?v=1HXFgPjWkPE
The Story Tellers-Cry With Me (1967)
https://www.youtube.com/watch?v=dfDq7r5jM3Q