"last ___ years" is sneaky wording as covid was involved. if schools were adding teams it would be now and not the past 5 years. several D3s in the west and south have added TF in the past 10 years. in terms of D1 yeah i think i have heard more cuts than adds. you might have gotten some D1 TF programs indirectly as schools changed divisions.
in terms of the OP, i hear a lot of running obsession and not a lot of "i love LMU, but." california and the west coast have a ton of teams from D1 on down at a variety of quality levels. trying to set up a club there would be absurd, begging them for a penny ante version of what you signed up for. running unattached is basically saying you want the college TF experience without the conviction to make it happen and get access to NCAA progression and such.
you only get to do this once. transfer out and get the experience you signed up for. you will spend enough years when this is over trying to sort through how to run and compete on your own as a graduated adult. no sense starting that now.