I hate altcoins, they made my dad lose money and they are just imitating bitcoin, a lot of altcoins are just to scam money and then disappear, and the real king is bitcoin. So I call on everyone to join me and only believe in Bitcoin, abandon those altcoins that cheat money, and just follow it!
Don't blame altcoin for your dads lack of skills and knowledge to take advantage of the altcoin market. I agree there are people who lost money on altcoin but there are also people who get tons of riches in altcoin market. So I think you need to question your dad's strategy on this and no need to hate altcoin because it makes your dad lose a lot of money. I believe in Bitcoin and I also believe that there are decent altcoin out there.