Personally, yes. I'm sitting around 50% right now, but have no reservations upgrading if/when I reach the need to. It's something you'll have to play with yourself to see if you can get it working in a way that makes sense for you - I know a few people who felt it didn't provide enough structure for them.
"With respect to your complaint that Cox intercepts and injects our own data in order to display alerts, etc, we note that browser alerts are a method Cox utilizes to bring customers’ attention to important information that may affect their Internet experience."
They'll also appear if you're nearing your data allowance or if their email service (that you probably don't use) is undergoing maintenance. When I last asked, there is no possible way to opt-out or disable these.
Found a GBC implementation as well: https://github.com/bbbbbr/gb-wordle