most of them aren't really at fault. they are just poor newcomers who entered a big market and were suddenly bombarded by a huge wave of advertisement which were promising them riches beyond their wildest dreams so they ended up buying a ton of useless tokens which have been continuously losing value
That's right, therefore the newcomers must learn about crypto to those who are experienced. Most of them are reluctant to learn, they are only tempted by the lure of "get rich quickly" but it is only a dream without experience. Especially after yesterday's 2018, a lot of ushered in useless shitcoin.
Many people got victim of scam ico in 2018, due to which people have got scam and lost trust in ICO. We should remember that we should not invest too much on new coins and our portfolio should be 80% of Bitcoin / top 20 cmc altcoins.