I realize that most of the time it should pretty obvious if your mech is missing some equipment for one reason or another, but personally I swap engines around between a number of mechs, and I just had a match where I forgot to equip 2 double heatsinks in my engine before starting and I was wondering "why is my mech running so hot?"
I suppose a warning like that could maybe be kind of annoying at times while building a mech or something, especially for clan mechs that can't change their engine or upgrades, so if necessary perhaps the warning would only show up after saving a loadout with tonnage missing, and perhaps only if it's missing ~0.5 tons or more.
Just to be clear, I'm not saying that not having a warning is a big deal, nor am I saying that missing a couple heatsinks for a match is much more than a silly mistake, but considering what other warnings we get for various things it would be nice to have this in the mech lab and I can't really think of much of a reason why not to have it.
Edited by Pjwned, 09 December 2014 - 11:10 PM.