When you are doing compare, than do it proper look what happened 2,3,4 years ago, and still this ain't no guarantee that it will happen again.
The bull run what we saw at the end of 2017, wasn't the first one, so more likely we will see it again in 2018.
Meanwhile the market needs cleaning we have so many clone projects, pure scam, mlm coins and a lot of trash with no future, when these coins go, there will be more room for grow for altcoins with potential.