I get the impression he/she is saying that someone who uses explitives to describe a programming language is someone who has a higher likelihood of not having o

I get the impression he/she is saying that someone who uses explitives to describe a programming language is someone who has a higher likelihood of not having objective reasons for disliking it. Even if I prefer tool A over tool B I can still find merit in tool B. By using explitives I demonstrate I may be unwilling to use tool B if it's requested of me. As for the junior employee comment- I think the point was that someone with less experience is either repeating what they've heard or they don't yet have an opinion due to lack of experince.