I'm gonna ramble and you can do nothing about it
This site works on iPhone OS 3! But my god non-retina screens have horrible font rendering, because of their lack of pixel density. I can barely read this on an older iPod touch.
Now the site (for older devices) only works without SSL, but I don't accept unencrypted HTTP requests or anything below TLS 1.2—which breaks compatiblity. As for why it's a good idea to not accept older versions of TLS—who knows. It's still more preferable than plain text as far as I'm concerned. Plus wouldn't browsers default to the most secure that they can handle anyways? So what's the big risk for most people besides disabling the few who either
I think it's perfectly fair game and might start supporting older ciphers at the very minimum. I still have issues with just allowing plain text traffic to flow through though.