why are power port cable connections on laptops so shitty?

[WhatTheGox]

Why are power port cable connections on laptops so shitty? every one i get ends up getting loser and loser before i end up gaffer taping the connecting wire to the laptop.

Also to fix it requires taking your computer to bits from what i see on youtube videos... why not have a specific plastic bit you can screw off for this problem it has to be very common.  Any better solutions or simple fix vids would be appreciated.

rant over.