The Tulsi Gabbard that had more votes in the Democratic primaries than Kamala Harris
Harris pulled out early, so it is silly to compare Gabbard to her. Gabbard consistently got less than 1% of the vote. In Iowa, she got 16 votes. A quarter of the people who voted for her were in the same family. Let's face it, under 1% could actually mean no one wanted her. Some voters accidentally pick candidates, so anyone could get less than 1%.
It is an open question how she could keep getting donations with so little support. The answer appears to be that she got donations from trump supporters looking to disrupt the Democrats.