losing on a lot of expertise

[Maybo]

What's the difference in meaning if I remove the underlined "on"?

There, says Canagarajah, “You’re focusing on the wrong thing, and maybe losing on a lot of expertise.”

(The pervasive problem of 'linguistic racism by Christine Ro)

 

[jutfrank]

I think the writer really should have written ... losing out on a lot of expertise, using the pattern 'lose out + on something'.

https://dictionary.cambridge.org/dictionary/english/lose-out