In an accident, the bigger car wins. ( as they say)..... Glad you are OK.
Were you the very front vehicle?? As for insurance loss, remind your insurance adjuster that even though the other vehicles were not "at fault", since they were also hit, the basic fact is, if a vehicle hits your truck, due to the texter, they have a "degree of responsibility" in the collision DAMAGE, and partial loss to your injuries.
( more value loss for you $ )
( Nothing personal against the others... just insurance business).
Not to mention you will be afforded a Small Claim personal suit against the texting idiot to recoup money for a better replacement amount , since they will be ticketed for breaking the text-laws..
A small claim suit is a low-cost investment to go after the texter, to fill in any cash needed for a replacement Tahoe or Yukon XL SLT / Denali with a shiny gold wrap.
DO NOT SETTLE ANY INJURY CLAIM........ until all damage cash amounts are settled....
and even then, your injury claim may stay open for as much as a year. Then settle the injury claim with a cash value....
....... Not to be morbib ..... What does your 17-year baby look like now?