Because newbies and some Electrum users will find it useful at times like this; manually editing the code themselves is much of a hassle or out of their expertise (though HTML can be edited using notepad and pretty much basic, some may find it hard).
You're a trusted member and if it is hosted in Github and a fork of the original, most members will trust it.
![Shocked](https://bitcointalk.org/Smileys/default/shocked.gif)
![Wink](https://bitcointalk.org/Smileys/default/wink.gif)
Unfortunately, I can't simply fork the Ian Coleman repo and modify it, as Ian removed the standalone.html file from source control (to save space as far as I can tell)
![Undecided](https://bitcointalk.org/Smileys/default/undecided.gif)
As always, USE AT YOUR OWN RISK!
NOTE: Instructions have been updated to include the subtle differences for SegWit address derivation.