This is a comment based on an opinion (based on experience of the author and some of this collegues), yes. I will come to you with "the empirical evidence" as

This is a comment based on an opinion (based on experience of the author and some of this collegues), yes. I will come to you with "the empirical evidence" as soon as I decide to write a paper on the topic. Needless to say we both are entitled to our respective opinions and will have to live with that.