Critics contend the theory is "untested, unsupported or incorrect". Conclusions drawn from just one unsupported technique are usually regarded as unreliable. Many reject the notion as simplistic and empirically unsupported. Guinness makes no differentiation between supported and unsupported attempts. Toobin's account has been criticized for drawing conclusions unsupported by the evidence in his article. This format is also used for storing symlinks on naive SMB servers or unsupported filesystems. Restream also enables broadcasters to stream any unsupported RTMP enabled platform. Susan's family rejected these claims as being "unsupported" by any evidence. Scientists are often skeptical of theories that rely on frequent, unsupported adjustments to sustain them. Multi-span bridges require piers to support ends of spans unsupported by abutments. It is marketed for its alleged but unsupported claims of health benefits. Doubling the unsupported length of the column quarters the allowable load. They are also both capable of storing unsupported data. The form has obvious structural advantages, reducing the length of unsupported side arms. This removes material, resulting in undercutting and possible collapse of unsupported overhanging cliffs.