Maybe someone didn't like your comment because of this quote _from the article_:

    If we were using SSD as storage, then I would recommend it.
    Vanilla MySQL performs equally bad on SSD and HDD, 
    while for SSD in Percona Server we have
    
    innodb_adaptive_flushing_method = keep_average.

Doesn't seem like a solution at all, if we believe the author.