By Ali Lyon It takes something big for the volume of news around a telecoms firm to eclipse that of its customer complaints. Broadband and mobile network providers are constantly dealing with the ire of customers who have taken to social media to complain about their patchy internet, or weariness with a laborious installation process. But bosses at Talktalk, which sits in the middle of the pack for complains, will now look back enviously on the days when the most pressing issue on their plate was a deluge of messages from irate users, after the future of the telecoms firm was plunged into yet …