Yes both of them are risky, but Altcoins have more risk than Bitcoin. Newbies who wants to begin that investment journey should not put their focus on these Altcoins at their early stage of investment. Because they are not good as long term projects except you are someone who wants to make quick money off them ( You will lose a lot). Invest what you can afford, be patient and disciplined and doesn't let your mindset or people (e..g. fake influencers) deceive you that you can make quick money off Bitcoin or Altcoins. I think knowing this difference early helps beginners make better decisions instead of following hype blindly or expecting every coin to perform like Bitcoin.
Are you saying all of this from your personal experience or are you simply saying this based on what you've read other people say?
As much as I completely agree with you and generally that investing in bitcoin is much safer than investing in altcoins, like we all know that altcoins investments comes with a great deal of risk, but then you didn't talk about that difference also in profit potentials.
I completely agree and will never advice any newbie to invest in altcoins first because their chances of making the wrong choice of altcoin to invest in Is very high, but then, they should not fail to explore the market when they finally have gained a very good knowledge of how the market is and operates.
Investing in bitcoin can give your money the security it needs with the good profit potential in the long term.
But carefully investing in the right altcoins is also a true risky investment than can earn you great amount of profit in the short or long term depending on the altcoin.