You read and look for information but always do your own research. Because of manipulation, pump and dump, fraud, scam, hacking and stealing, are common here, and can sometimes lead people to financial loss.
As far as I know, Blockchain has been known even before Bitcoin appears. Although now it is mostly known for securing Bitcoin but its potential uses are undeniable. In addition, Blockchain is harnessed to its fullest and considered a booming technology while Bitcoin hasn't been warmly welcomed and even banned in many countries. This demonstrates the idea that Blockchain will survive whether or not Bitcoin exists.