Odd the criticism he gets.
Outside of Bale, Son and Dele he is the highest scoring non centre forward player Spurs have ever had.
Sure, he's not a flashy winger doing step overs and putting crosses into the box, but he is good at ghosting defenders and finding space. He also had very good stats for his defensive contribution.
Do you think Odobert/Tel/Simmons/Kudus will score >15 goals this season?
Do you regard football to be a team event or rather an individual one?
If individual - then I get your comparison and conclusion. INDIVIDUALLY his scoring from outside of ST position is true.
But if you (as I certainly do) regard it as team sport, then it is absolutely opposite of that. Bale, Son and Dele ALL CREATED SIGNIFICANT PART OF THEIR CHANCES. Maybe Alli least from that list, but others most certainly.
All Johnson can do is meet the ball at the back-post. But if we fail to have sharp enough build-up to get the ball there, he is not the one who would take on players and create anything himself. At least for last 1,5 years. He was doing some decent early crossing in early Ange-days, but that was mostly until opposition learned to pack their box better.
Anyway, coming back to original point - Odobert/Tel/Kudus don't need to scored >15 goals individually. Until their contribution to team effort is enough to get THE TEAM higher in the table. With Johnson you saw overall result. 18 goals scored with the season and position in the table being 17th. I'd be quite happy if Odobert/Tel/Kudus to score all less than 15 and us being 3rd for example. Xavi can hit 15+ goals in full season, yea, I do believe that.