You can and it is well "documented":
https://www.howtogeek.com/224344/how-to-disable-spotlights-w...
https://www.howtogeek.com/224344/how-to-disable-spotlights-w...
Yeah, I used to love being able to open apps with CMD+space <app name> enter. Now it doesn't work. And yes, I have apps enabled in spotlight.