Given my concerns, I was glad to see that the identification of the Scotland wreck from 1653 in the 2004 and 2005 reports was less definite. The report (this has the usual large PDF problems with loading, so you may not want to click on it) now says that the wreck is either the Swan or Speedwell, which really doesn't resolve my concerns. I am pretty uncertain that the Swan should be a candidate, given what I have seen. Hopefully, I just have not seen the right sources. I have to say that Colonel Lilburne's letter at least places some ship Swan off Duart Point and that the Swan mentioned there was stated to have been lost.
I am interested to see that the identification is understood to be an estimate, and that the wreck could be that of another ships. I shudder to think how many times I have made an estimate, based on analysis, which was later found to be wrong, once I learned more or was told information that invalidated my estimate. I rely upon the published literature to a great extent, more than can be justified.