Dictionary definition of "opinion":
>>A belief or conclusion held with confidence but not substantiated by positive knowledge or proof.<<
There is absolutely no way to definitively establish that the 80s sucked or did not suck, by virtue of personal taste alone, and so opinions will go back and forth to the entertainment or aggravation of those
involved, indefinitely. However, there are also other definitions of musical quality regarding the merit of a body of work (such as music made in the decade known as "The 80s") in comparison to the larger cumulative history of all the known music of humankind. Such a discussion is likely outside the realm of PSD, but would surely be interesting to read.
What I believe to be a pretty fair summary of the decade in music, can, weirdly, be
Me, I'm just glad the 80s are over.