Let's be clear. If you have paid, or been credited with, 35 years of full National Insurance Contributions in the 50 years between age 16 and age 66, then you will receive a full (new) state pension. If you have credits for between 10 and 34 years, then your state pension will be reduced accordingly, and so will any annual increase.
If you retired before 2016, you will receive a lower (old) state pension, and the increases will be proportionately lower.
If you receive a full new state pension you are ineligible for pension credit. The cutoff is about £3/week below the full new state pension. You will not get Winter Fuel Allowance, nor any of the other benefits and concessions that go with pension credit. If the state pension is your only income there is no further help from the state. Various public and private services may have reduced prices for older people, but they do so at their own cost. There may be some advantage to them - eg if you run a cinema it may be better to show films to the elderly for £5 on a Wednesday morning than have the cinema empty then because the rest of the population is at work or school.
Prescriptions are only charged for in England, and the qualifying age is 60. 'Free travel' in most of the country - London and Merseyside are more generous using Local Authority funds - is limited to local off-peak bus services.
Now I am technically a pensioner (how did that happen?) but I still work part-time, I have private pensions, investment income and a younger wife who is working, and frankly £200 is neither here nor there for me. But for some people who have incomes only just above the state pension it is a very significant loss indeed.
And don't count on free prescriptions and free bus travel being around for ever.