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Chelsea football club are currently out of form with basic reason of the Russian billionaire leaving the club he was known to be a spender in the football market but this time the club Chelsea could not afford the kind of player they wanted the likes of Kingsley Coman, Kounde, Kimpembe, Ronaldo, Raphinha and more these are players Chelsea wanted to sign money was not released by new buyers to get these players this is one big factor that has affected Chelsea greatly
They already brought quite a number of new players while releasing more so I don't think it's just an issue of money now. It's essentially a new team if you look at all those transfers and it's kinda expected that they will need more time to work things out. Their form will be the same even if they bought those players you mentioned.
Yes of course, Chelsea need time to really work things out with the club management, the present condition of the club can attributed to lack of communication and team work from both the players and the coach and since the change of ownership of Celsea the club has not regained itself fully. I was also surprised to read that the coach has been sacked today and this will still hurt the club further.
I wish the club make better decisions in choosing the next coach that will have the ability to revive the club and possibly set them up for easy succession to the premier league.