There’s a version of the false nine that genuinely works. Messi at Barcelona between 2009 and 2012, drifting into pockets between the lines while Iniesta and Xavi recycled possession, was something close to perfect - not because the position was clever, but because the player was singular. The mistake coaches have made ever since is treating that as a repeatable system rather than a Messi-specific accident of genius.
What’s happening now, particularly in mid-table Premier League clubs and ambitious Championship sides trying to play ‘out of possession football’ while also ‘controlling the ball,’ is that the false nine has become a polite way of saying: we don’t have a centre-forward. The striker gets dropped, a number ten gets pushed forward, and the press notes describe it as an intentional positional rotation. It rarely is.
The tell is what happens in the final third when the opposition defends deep. A genuine false nine drags central defenders out of position precisely because those defenders can’t afford to ignore him - he retains the threat of running in behind, or he’s physically awkward enough that marking him is still a problem. When clubs use an undersized attacking midfielder as a makeshift nine against a low block, that threat disappears entirely. The opposition’s backline doesn’t move. The forwards end up playing in front of a flat wall of defenders, the half-spaces fill up, and suddenly you’re watching a team with 68% possession manufacture three shots from outside the box and call it a performance.

There’s also the pressing dimension coaches underestimate. A real striker - even a modest one - anchors the press from the front. He gives the midfield a reference point. When you replace him with a player whose natural instinct is to drop and receive, the press becomes a suggestion rather than a system. Teams that have built their defensive shape around a high press with a hard-working nine suddenly look disorganised when they shuffle the position for tactical reasons that were never really tactical.
The false nine works when the player occupying it is capable of doing several contradictory things at once: holding width, arriving late, stretching the defensive line, and still being a goal threat. That’s not a position description - it’s a list of attributes almost no player actually has.
Most clubs deploying it right now don’t have that player. They have a number ten and a transfer budget problem, and they’ve found a formation that makes both look intentional.