A quick search indicates that there are ~107,000 architects in the US[1][2], and there are ~272,000 civil engineers[3] in the US. So, 2330 signatories is < 1%.
Get 15% to sign off, then it might get attention.
[1] http://www.aia.org/press/AIAS077761
[2] http://www.bls.gov/ooh/architecture-and-engineering/architec...
[3] http://www.bls.gov/ooh/architecture-and-engineering/civil-en...
A quick search indicates that there are ~107,000 architects in the US[1][2], and there are ~272,000 civil engineers[3] in the US. So, 2330 signatories is < 1%.
Get 15% to sign off, then it might get attention.
[1] http://www.aia.org/press/AIAS077761
[2] http://www.bls.gov/ooh/architecture-and-engineering/architec...
[3] http://www.bls.gov/ooh/architecture-and-engineering/civil-en...