You ask the question of why do my skins and plugin work.
My skins took 3+ years to develop and are actually only designed fo OE-Aliiance images. They are not perfect, and were very broken in the early days. Constantly tweaking, constantly updating. It becomes a full time job. It becomes tedious everytime an image maker breaks the norm and you have to spent an age correcting things to make them work again. Luckily we seem quite stable at the moment and lessons are being learnt not to break legacy skins and plugins.
Why do my plugins work on most images. Because I was very fortunate to have people like seagen that had multiple boxes that tested things over and over again for me. He was commited to making my plugins work on all, where as to be honest all I was interested in was oe-alliance images.
I also had other people assist me in the background to try and get things to work on their images. Whether that be people from dreambox, blackhole, pure2.
So although I might have wrote 95% of the code myself, the community helped to make it work on all.
To make things work on all, you have to use legacy code, which seems a bit backwards when some image builders are trying to move forward.
So the only reason my stuff works on a lot of images, was because of a lot of bloody hard work from everyone involved.