Isolation feet for Audio Gear

[ralphfcooke]

It does seem a little strange that whenever someone make a change to their system, especially one with a significant cost involvement, that the result is almost always positive.

Wouldn't it be more reasonable to assume the manufacturer has gone to some lengths to ensure their product performs

at something approaching its optimum, in which case it would seem to me that there would be an even chance that changes would be negative?