His reforms included highly controversial large scale post office closures in the thousands, layoffs of Royal Mail staff, changes in working practices, and the ending of the second daily delivery and moving the first daily delivery to later in the day. While at the Royal Mail, Crozier's salary, one of the largest in the country for the head of a publicly owned body, was criticised in light of the changes being made to the Royal Mail workforce. Ongoing reforms eventually led to large scale industrial disputes and strike action in both 2007 and 2009 onwards.