Well, the point was saying that our front three had outscored Liverpool's front three, which isn't true in the Premier League.
You could also argue that Liverpool played far more conservative this year. With no real replacements for their front three, I don't think they were really going all out in every game. I still think their front three are deadlier than ours; it is just that they hold back a lot more than they used to.
They are very capable of scoring a lot more than they do at the moment if they were more attacking-minded. When they were far less conservative in 2017/18, these were their goal-scoring stats (all competitions):
Salah - 44
Firmino - 27
Mane - 20
Last season in the PL:
Salah - 22 (Total: 27)
Mane - 22 (Total: 26)
Firmino - 12 (Total: 16)
We do have a good attack, but they do have things to work on e.g. Rashford's finishing in front of goal can still be dodgy.
These sort of excuses don't work because everyone could come up with an argument as to why their teams isn't scoring many.
Saying that they didn't want to score more goals is just a stretch. Our front players have played the majority of the season with Perreira and Lingard behind them which negate any sort of excuse one could come up as to why Liverpool trio didn't outscore ours.
That Liverpool trio also had the advantage of playing in a far more functional team with better chemistry and time together while ours weren't afforded the same privilege.
Whichever way one would love to slice it, we simply have a deadlier trio as represented in numbers. And yes we have outscored them in all competion and have better goal/min ratio in the PL. Them not wanting to score excuse simply doesn't fly.
Not to mention this is Greenwood first real season of top level football and has only recently been integrated as a starter in the league. First season for Martial as a striker which had a bump with an injury that had him out for 2 months. This is Rashford real breakthrough and explosive season which got slowed down by missing 2 months of football. On top of all that, they had to rely on a midfield of Perreira and Lingard for creativity yet despite all that they've outscored the Liverpool trio in all competion and have a better goal per minute ratio in the league.
So yeah our strike force is deadlier and I'm confident it'll be proven in due time even for the most scepticals out there.