Ok. Then why are they here? Why have other hung around painfully longer than most teams generally allow?
You don't believe a guy who drafts players would like to boast about his roster being largely made up of guys he drafted? Sure does sound like he is a good drafter compared to everyone else.
Ellison was cut after 1 season(3rd round pick)
Ellison was drafted by the Carolina Panthers in the third round (89th overall) of the 2005 NFL Draft. He was waived by Carolina during final cuts on September 3, 2005, and re-signed to their practice squad two days later. On September 14, 2005, he was promoted to the 53-man roster, but was waived again on September 24, 2005. He returned to the practice squad on September 27, 2005, and was elevated to the active roster again on October 31, 2005, where he spent the remainder of the season as an inactive. He was waived by the Panthers on September 2, 2006.
Everette Brown was cut after 2 seasons(traded a 1st for him)
Originally projected a first-round draft pick, Brown saw his draft stock falling because of questions about his size. He was picked 43rd overall in the second round by the Panthers, who traded their 2010 NFL Draft first-round pick to the San Francisco 49ers to get that pick.
With Julius Peppers still demanding a trade, Brown was shifted to the right side defensive end spot in June 2009. In his first NFL season, Brown recorded 22 total tackles (15 solo), 2.5 sacks and 2 forced fumbles.
On September 4, 2011, Brown was waived by Carolina after recording 6 sacks in two seasons.
I'm not doing any more wiki's but Norwood was a 4th round pick in 2010 and now gone after 2 years.
Rashard Butler 3rd round pick cut after 1 year.
Eric Shelton a 2nd round pick was cut after 2 years.
Corvey Irvin 3rd round pick cut after 1-2 years
No other top 4 round pick aside from Colbert or Jarrett were held on for too long.
Theres plenty more late round picks who were cut after 1 or 2 years. Clausen and Edwards are barely hanging onto the final spot on the depth chart at their respective positions are only in year 2 with Rivera.
In summary as you can Hurney is not afraid to admit failure in his drafts and will cut his losses after 2 years maximum in all cases not including Edwards and Clausen. They will likely be cut after their 3rd year or show improvement one.