Ancelotti recruitment of new players is actually for the future of Madrid, to maintain the quality of the team's performance and bringing in young players is the best way as a long term investment in the future.
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It is very likely that Endrick, the wonderkid, will replace Joselu role as Ancelotti second tier player and Endrick will appear more often in La Liga when Mbappe match schedule becomes busier.
Madrid is serious about bringing in Endrick as a replacement for Joselu, Madrid is willing to spend €60 million for the young player.
Even though his contribution while defending Palmeiras and also the Brazil national team has not really been very visible, at least Endrick style of play can be said to be very capable, just imagine that at the age of 17 he was able to enter big Brazil League team and the national team.
I think Ancelotti will fill the Real Madrid squad with the new generation of Brazil, with the addition of Endrick it is also guaranteed that Real Madrid will have line of attacking players who can be relied on in all conditions.
But Endrick still needs lot of experience and also has to play lot of matches to hone his playing skills until he really gets used to playing against big team from Europe, competition in Europe is different from just playing in Brazil.
Ancelotti definitely knows how to develop young players and make them the best players in Real Madrid main squad.