I don't think so because it does match the temperature record fairly well — the deficit years 2001 - 2008 match the cooling trend since 2001 fairly well. (judithcurry.com)
How can one possibly know that the tree ring record matches temperatures in one period of time and not another? (climateaudit.org)
Despite a common CE, these two reconstructions match the temperature series in different ways. (nap.edu)