Those are the best and low cap coins? I don't see that most of them having low cap coins as I'm familiar with most of them. If your basis of buying a new coin is on its low market cap, that's quite good but those that you've mentioned, they're not really low market cap coins.
They're even known by majority of the altcoins holder and if you want to buy some low cap coins, you should choose better because they don't fall on that category. Maybe those coins that you've mentioned are what's currently in your portfolio?
Some are really giving their suggestions because it is in their portfolio and they wanted to promote in a subtle way. I do agree that most of the alts he mentioned are really not low cap coins. It is up to the user if he will follow such suggestion or not. It is your own money, so you have all the freedom to choose which project you want to invest with.
Yes, it is our money but it's better if he can voice out why he thinks those coins are good. Not just going to drop the coins and say nothing upon suggesting what people should buy. It is already misleading that he said that they are low cap coins but when a newbie checks it out, what he can think of it? the guy didn't even gave a word why people should choose those coins and why he said that they're low cap coins but in reality, they're considered as one of the most common coins in the altcoins market.