Hmm, if you did it exactly as the tutorial shows it should function when you click on your anchor link (aka the link block that sends you to a new section). At least I believe so … @thesergie ?
In order to see what it is that is causing the issue we need View/Read Only access to your website - can you please give us a link to the editor for it? (How to do it: How to Enable a Webflow Share Link - Webflow Tips - Forum | Webflow)