Precisely. Which is why I'm really irritated at their response of 'we don't have to justify it to you'. Well sorry, but when you're being paid to do a job the client has a right to review your process!
They are hard work.
When i was last buying I had to cancel my appointed solicitor, they were not responding to anything. i found out later that they were having IT systems issues AND staffing issues, but were still taking on new work despite this.
So I discussed with the estate agent and she set me up with another solicitor, who she knew had been excellent historically, but somewhat distant from me (she was right, this solicitor was indeed excellent)
Anyway the moment i contacted the mortgage lender to advise of a solicitor change they rescinded my offer. I was like WTF, they replied with system say this must happen. Its simple though jus get your old solicitor to confirm to us why you left them, I said but thats the issue on why I changed they wont respond to anything in a timely manner so them bothering to reply to why they have been ditched is pretty darn unlikely. The operator didnt get it and said is there anything else you need!
I was spitting feathers but hung up. I called up the following day to my dedicated handler (was a trial they were running) went through it all and managed to get her to try to speak to the solicitor, she came back with they are not answering their phones, I will just say they confirmed verbally. I was lucky I was on that trial, they were assigning experienced highstreet staff to some customers in addition to using the call centre, without her I have no idea if i would have managed to salvage that mortgage and may have had to go elsewhere.
Apparently its a red flag changing solicitor mid way through a purchase as they think you may be trying to cover something up and hoping a new solicitor wont notice.