Yes, he’s throwing himself. Aikido is often practiced solely as a non-competitive art.

If you want to see what competitive throws/takedowns with a kimono/gi look like against live resistance, watch Judo. Example https://youtu.be/fLD87nqwp3Y

For the same but without kimono, watch Greco-Roman. Example https://youtu.be/4Xc-wxNSsTk).