Haaland given his body just cannot press like Pep wants. I think it can even turn out like when he signed Ibra for Barca and it just did not click despite Ibra being a proven goalscorer (and imagine how much he will score Messi, Pedro, Iniesta, Xavi, Dani Alves feeding him etc...)and still is at age 40 for Milan.
Villa, Eto and Lewandowski were imo much more built for Pep style football in CF position than Ibra/Haaland.
But we need someone because imo Jesus does not come close to above mentioned strikers when it comes to killer instinct and sheer amount of goals, and Aguero is off.
Jesus can press, and run around, hassle defenders, but would he score 30 goals in PL?
over 2-3 seasons yes...