You are probably using different browser on your mobile, but desktop and mobile devices are formatting text differently so that may be the case.
Oh btw what method are you using to improve bitcointalk forum readability on smartphones, and please don't tell me to use bigger screen 

Here is example of one ignored member and his post.

This is his post being ignored by me:



This is when I click on Show/Hide, and I can click few times down and see only Thank You text:



And this is unignored post: