WeBeeSocial interview questions

There were 3 rounds of interview. First was a brief call with the HR followed by a copy test. Then the final round included a Google meet call with the founder of the company where they asked standard questions like what do you know about the industry, why copywriting etc. I cleared all the rounds and was offered a job. After that we negotiated on the salary and they told me they'll get back to me. After receiving no word from them, they emailed me saying that they've considered someone else for the job. Highly unprofessional and a fraud to say the least.