This article is not too long. According to the excellent 
 File size: 346 kB
 Prose size (including all HTML code): 58 kB
 References (including all HTML code): 207 kB
 Wiki text: 85 kB
 Prose size (text only): 33 kB (5640 words) "readable prose size"
 References (text only): 27 kB
The crucial detail, "readable prose size", falls well within the acceptable limits. For those who are interested, the ST:TMP article is a little too large, according to the guideline:
 Prose size (text only): 75 kB (12586 words) "readable prose size"
That might need to be addressed, but I suspect it's not that big a deal.