Mali Richards, the son of West Indies great Sir Viv, has accused Middlesex of failing to develop him as a cricketer during two seasons with the club.
Mali Richards is a right-arm seam bowler and left-handed batsman
He was on the staff in 2003 and 2004 but now says it is time he would "rather forget".
"In two summer contracts I had one net session there where some coaching was available," he told BBC Sport.
"I just seemed to be someone who was there, who had a name, and nothing really happened for me."
Richards Jr is now studying tourism at Oxford Brookes University, but last week played for the MCC against the touring West Indies.
Looking back at his spell in county cricket, he said: "I don't think I was particularly helped by the club.
Nothing really happened for me at Middlesex except for some second-team cricket
"It was something I would rather forget because I didn't take much away from it other than meeting some really good guys, like Owais Shah and Paul Weekes.
"Apart from that it wasn't particularly enjoyable. I was very young and immature and I take some blame for what happened there."
Richards said he hoped the Schofield report, released on 24 May to improve the state of English cricket following a disastrous winter, may help to alleviate the problems faced by a young cricketer on the fringes of the county game.
Eleven of 19 key findings focus on the individual, with personal development and specific skill sets for young cricketers among them.
"Maybe the Schofield report comes at a good time for this country," said Richards, who also writes a cricket column for the Oxford Mail.
"My experience of two summers at Middlesex is that while having good facilities nothing really happened for me except for some second-team cricket."
Asked about Richards's comments, Middlesex chief executive Vinny Codrington responded: "His communication at the club was poor."