The Truth about Terms and Conditions

Yesterday I accidentally browsed the terms and conditions of galois.com and discovered that I'm not authorised to view their website without a written licence (as I have a professional interest in their area of business and my viewing of their site is not personal and/or non-commercial). I've written to them asking for a licence as I don't want to fall foul of UK laws that might put me in prison for 2 years for accessing their servers without permission.