I would have given it a 0 out of 10 . Having to completely destroy something to service it is counter logical.
Apple is supposed to have the best engineers in the world but look what they've done.
If the Apple Pencil were made in my shop it would have a threaded end to open the case, a fully removable battery and an inner liner pcb that would slide out. Add a Qi power receiver for wireless charging and there would be no need for connectors of any kind.
Steve Jobs was right. Pens are bad.
Without The Family Jewels (Apple ROM chipset) never the twain shall meet.
That doesn't mean that you can't run Windows on a Mac.