It is because he kicked you
had a system that used long lines of text, now, testing it again in 1.16 completely broke it
This is also a bug in older versions like 1.14
SilentWisperer talks about it in a video
Affects Kindle
This is also visible in 1.16.0
and is the same for mobile devices
Thank You For Posting The Video
This Occasionally Happens to me on Amazon fire tablet, 1.14.30
DUPLICATE of MCPE-57568
Duplicate of MCPE-57444 , MCPE-57393 , MCPE-57594
DUPLICATE of MCPE-57400 and MCPE-57394
DUPLICATE of MCPE-57394 and MCPE-57413
DUPLICATE of MCPE-57444 and MCPE-57568 and MCPE-57393
Duplicate of MCPE-57316
I don't think that this is a bug and is just not a feature for bedrock!
Pretty sure that the video showed quasi connectivity which is a feature in java!
This happened to me