

Correct, as it has to. In addition to behavior, CheckUsers use IP addresses to help identify sockpuppets. If you could bypass the exemption by just saying “here’s a new account; pls exempt”, it would quickly become common knowledge among sockmasters that all they need is to quickly ask and be accepted days later.
At that point, the block on proxy editing near-completely fails at one of its main functions.
OP, you say “free, open source, and fully attributed”, but it’s really not fully attributed. I know Google will live, but you need to be more attentive to licensure and credit. Here are some major problems (in no particular order):
LICENSE
file, you call the copyright status of the icons “uncertain”. This confuses the hell out of me, because on the icons pack page for Google, it clearly reads at the bottom:Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License.
Now you have all your research done for you, and Cunningham’s law is proven right again.