1) The over-utilisation is sorted, but your connection needs a technician to sort it out.
2) VM did absolutely diddly squat about the over-utilisation, and any appearance of improvement was coincidental. In some of these case VM just sit on their hands and let customers pay for an over-subscribed network because there's too few consequences for the company.
Head to thinkbroadband.com and setup a Broadband Quality Monitor. Let that run for 24 hours, then select "share snapshot graph" and post the link (not an image) here and we'll take a look at what's going on with the latency on your connection.
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