It's surely less about who they could get in and more about the timing of it. Unlikely the new man will be able to bring in any of his own signings until January and it's bound to unsettle them for the first few games.
At the end of the day, he's signed now, we've paid the money and so the fee should become irrelevant. We have another hard working, good quality striking option. Let's support him. I'm excited to see him play for us.
Where did that information come from? The Romanian link posted a few posts back quoted an unofficial Southampton news twitter which probably just made it up.