The comparison is like printing your currency or investing in Venezuelan bolívar.IMO

It is easy to create an ERC20 token using blockchain and does not require specialized technical knowledge, but it is difficult to make it valuable. So your token value will remain zero forever.
Investing in ICOs seems less risky than creating crypto but does anyone want to buy it? Same above.
Do a thorough search on the subject and try not to invest more than you can lose.