Live stream, several different game types, and more people I'm sure factor in on this.
- Is that "4 bar" deceiving? Probably.
- Is there anything we can do about it? Probably not.
- Are they looking into this? Possible.
They hold their tourney's LAN based so they don't experience that. Can you hold them accountable for the crap connection? No, because they'll fall back and say that depending on your connection, those you play with, etc. can and will all be factors in your game experience.
Adapt or quit seems to be the answer...Or as my Mom used to say "Put up or shut up".
While your methods were not scientific, and likely to be shat upon, what you experienced is real.
It's obvious for anyone to see, unless they are being willfully ignorant or just shilling/trolling. Or perhaps new to gaming.