I believe all issues can be solved. I dislike the fact that lesser issues that can be solved quickly have taken forever to solve while having more attention over more serious ones are ignored and placed on low priority.
The legal goals that LGBT wants to achieve like job protection, marriage and status, and child custody can be solved with the stroke of a pen and approval in two houses. Social issues on the other hand like the bullying, harassment, and ignorance toward lgbt people will take years of indoctrination and education to fix.
Genocide, ethnic cleansing, racial discrimination, and religious prosecution are more pressing issues that are of in more need of attention in my opinion. These things cannot be solved in day, and only get worse each day they go unnoticed.