The only exception to this is the Spring Trap, which can be upgraded to Level 4.
Offense: Other: Resource Collectors, Storages, Gem Mine, and Clock Tower can be upgraded to Level 6 A single Archer Tower in your Town Hall can now be Geared Up, similarly to the Cannon.
Otherwise, move it to They Changed It, Now It Sucks.
Also, don't confuse this with the haters of a certain progressive metal band.
Compare Bile Fascination, a primary reason for people outside the target demographic to investigate.