Publicly slagging off competitors by name seems to backfire more often than not, unless you're Steve Jobs.
However you can talk about all the ways that X is done wrong without actually mentioning by name the competitors who are doing X wrong. Clearly explain the problems you see in 'the industry' and your solutions to them, but not the other people/companies involved.
However you can talk about all the ways that X is done wrong without actually mentioning by name the competitors who are doing X wrong. Clearly explain the problems you see in 'the industry' and your solutions to them, but not the other people/companies involved.