Well, unless she shoved it sideways pretty hard or mashed it downwards onto the record, which you definitely would have heard, there should be nothing whatever wrong with it. I rarely use the cueing lever, and I haven't damaged a record or cartridge in 30 years of playing. Once you get used to cueing by hand, you'll never use the cueing lever again, unless you are fumble-fingered. The technique is to rest your pinky finger on the plinth for steadiness and use the finger-lift to raise and lower the arm. No problem.
The bottom line is, if the cartridge still plays, the cantilever doesn't look bent, and there is no channel-balance problem, you are ok.
The bottom line is, if the cartridge still plays, the cantilever doesn't look bent, and there is no channel-balance problem, you are ok.