Stock price when the opinion was issued
Depends on your risk tolerance. These are volatile stocks. If he's going to take on the risk of owning some very highly priced stocks, he wants the full value of the upside and not capped by covered calls. The premiums are very rich, but that's not what he wants for his clients.
In general, he likes tech ETFs because they've driven 30% of the gains in the market. And AI will be into everything -- even his dog's vet has adopted it.
It is a great way to play the big techs, but now is not a great time to get in. The covered calls mean that if markets go up a lot you may not participate properly. He likes the ETF, but tech stocks are not a great place to be right now.