Is it a bad sign if an online interview for a thesis in a company is only scheduled for 30 minutes?

It is a big international company so I doubt they lack applicants. So I think 30 minutes is a bad sign which might show that the hiring team is not really interested in me and only inviting me out of obligation. What do you think?

Is it a bad sign if an online interview for a thesis in a company is only scheduled for 30 minutes?
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