People are gonna get rekt and rugged all the time. It won't change. But adopting #bitcoin will help:

1. Less need to ape in on stupid projects because your money will stop losing value and you won't have a feeling like being on a sinking ship.

2. Bitcoin adoption will drastically improve education. Thus reducing amount of gullible people willing to give money to scammers or shitty projects.

3. In bitcoin world people will likely value relationships and reputation much more which will reduce number of scammers, as they would end up alone.