I'm sure their primary reason for coming was to vote against anyone in the GOP...but who would blame them?
BTW, the Border Patrol has been covering the Del Rio Sector since 1924 I believe, based on the link below...there is a surge for sure, but the reasons for it are understandable...at least to those who care about such things...since that doesn't include you, please carry on with whatever it was you think is most productive.
https://www.cbp.gov/border-security/along-us-borders/border-patrol-sectors/del-rio-sector-texas
Link: https://www.texastribune.org/2021/09/17/texas-border-del-rio-migrants/