Template not provided using create-react-app

When I type the create-react-app my-app command in my terminal, it appears to work - downloading all libraries successfully etc. At the end of that process however I get a message that a template was not provided.

Input

user@users-MacBook-Pro-2 Desktop% create-react-app my-app

Output

Creating a new React app in /Users/user/Desktop/my-app.

Installing packages. This might take a couple of minutes.
Installing react, react-dom, and react-scripts...
..... nothing out of the ordinary here .....
✨  Done in 27.28s.

A template was not provided. This is likely because you're using an outdated version of create-react-app.
Please note that global installs of create-react-app are no longer supported.

In package.json of my-app:

"dependencies": {
  "react": "^16.12.0",
  "react-dom": "^16.12.0",
  "react-scripts": "3.3.0" <-- up-to-date
}

I checked out the CRA changelog and it looks like support was added for custom templates - however it doesn't look like the command create-react-app my-app would have changed.

Any idea what is going on here?

If you've previously installed create-react-app globally via npm install -g create-react-app, we recommend you uninstall the package using npm uninstall -g create-react-app to ensure that npx always uses the latest version.

Docs

Use either one of the below commands:

• npx create-react-app my-app

• npm init react-app my-app

• yarn create react-app my-app

if npm uninstall -g create-react-app stated above does not work.
Type which create-react-app to know where it is installed. Mine was installed in /usr/bin folder. Then do sudo rm -rf /usr/bin/create-react-app. (Credit to @v42 comment below)

Stack Overflow Q#59188624, score: 566