In the end owning a basket of securities is much more comfortable as opposed to owning a few individual stocks.
And of course owning those few stocks assumes you're able to face the challenges that every individual investor faces in that there are a myriad of products to choose from, most of which are inappropriate for ordinary investors. Then there's transaction costs from buying and selling, the uncertainty of the latest news just issued, etc..

With ETFs, you're not worried about all that. You don't have to worry that your stock holding will drawdown 30% after unexpected news is issued. Due to an ETFs holdings diversification, price movement is more predictable when compared to individual stocks. Most students that follow even a simple ETF trend trading course will focus on trends within a few sectors as opposed to the hundreds of various stocks that put most traders on scatter.

Basic Stock Trading Advice: Get good at identifying a trend and just focus.

There is a simple approach that has been used to identify trends for decades. It involves understanding or spotting a few general and simple market trend signals. You can evaluate this stock trading course as well as get some practical stock market system info on ETF's and basic trend trading techniques..