I think your talking about the video interview, which was only used during covid as needed a large intake of temporary staff to deal with the upsurge in claims, answers given in that were still analysed by a person.
Copied below is an external advert for an admin job, you can see that there is a final interview, in person before getting a job. Even that below is quite short, the statement is usually more than 250, usually 1000
Stage 1 – Complete the eligibility section of the application form.
Stage 2 - If eligible, you will be invited to complete
The Customer Service Skills Test. If you successfully pass the test, you will be invited to complete the final stage of the application. Please complete the online tests as soon as possible (within 24-48 hours is recommended), the closing date for the tests is 23:55 on 8 April 2024. If you fail to complete the online test before the deadline your application will be withdrawn. Guidance for the test will be available when you are invited to take the test. The tests are administered online and accessed via the CS Jobs website.
Stage 3 - If you successfully pass the test, you will be invited to complete a personal statement of 250 words.
Further details around what this will entail are listed on the application form.
Personal Statement
When completing your personal statement, please read and understand the Key Criteria on slide 8 of the candidate pack thoroughly, as this is what your written evidence will be assessed against. Your layout is entirely your preference; you may choose narrative, bullets, etc. You may choose to address each criteria separately, however, one narrative example may cover and evidence several key criteria. You may not be able to meet all the key criteria, but please ensure you evidence: the key personal requirements and what have you done that relates to the requirements. You don’t have to explain the whole process, just what you have done and the skills and experience you have used. Share with us what makes you suited to this role and why, what you can do and the skills you have that are transferable to the key requirements, and the life experience or passion you have that are linked to this role.
The closing date for applications is 23:55 on 8 April 2024. If you fail to complete any of the 3 stages above before this deadline your application will be withdrawn.
Stage 4 – The sift:
The sift is scheduled to commence week commencing 8 April 2024.
Depending on the volume of applications received we may by-pass the sift process and invite all candidates who complete the first 3 stages of their application by the deadline to an interview.
Stage 5 - The interview process:
The interview will last approximately 30 to 40 minutes. Further details regarding the process are available in the candidate pack.
Interviews are scheduled take place week commencing 22 April 2024.