Can the Microsoft Office LTSC Professional Plus 2021 Product Key Generator Be Trusted for Activation?

I’ve heard about using a product key generator for Microsoft Office LTSC Professional Plus 2021, and I found one online. I’m wondering if this is a safe and reliable method for activation. Has anyone used a Microsoft Office LTSC Professional Plus 2021 product key generator, and did it work without any issues?

Here’s the link to the generator: Microsoft Office LTSC Professional Plus 2021 Product Key Generator. Does it provide a valid key for activation, or are there risks involved in using such generators?