Half suspect we've still the budget for one bigger signing. Maybe a Grealish/OR option, but to date we've not sold so might not be able to buy big.
To have replaced Gana (+/-) for only 7m we could shift the budget saving from that bucket to extened for a decent signing, or maybe keep a bit of powder dry.
Roma halted spending after season 1 of the Friedkins, the same may happen here at least until we're generating solid revenues season on season.
The investors (like all investors) likely want to see some short term return as well for their sizeable outlay.