|Wenger Swiss Army Knife|
One-Size fits all ! - I am sure you have heard it even when it's quite ridiculous and misplaced. Some jobs simply need a custom solution.
Allow me to illustrate...
The most obvious argument is the Swiss Army Knife. (Disclosure: I am a fan) - If you are travelling light a universal tool may be a good compromise.
But let's not forget that word - compromise. Compromise means this toolset is not optimal for solving all problems, all of the time.