There is already lots of feedback in those threads. I suggest you make a list of "must haves" and make sure it'll meet your needs. There were definitely some teething pains, but they are mostly gone, provided the installation is done properly and you have a good signal at your home.
I am using ignite tv by wifi only since beta at work on 5g wifi. No issues for me at all. My TV is over 20 feet away and around a corner. I've had zero issues. I was skeptical as well. Just make sure your modem is in a non cluttered place and it will be fine. I use gigabit internet and stream to twitch. While online gaming and my TV is perfectly clear no issues